The AA class consisted of ten
steam locomotives built to operate on
New Zealand's
national rail network. Built to a similar design to the
A class of
1906, they had a wheel arrangement of
4-6-2 and were suited to hauling freight services. Ordered and built in
1914, all ten entered service in New Zealand in June
1915. They worked for four decades, with the first withdrawals occurring in December
1955, when six were taken out of service. The remaining four continued to operate until February
1957. None are preserved.
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